Three-dimensional printer



FIG. 1 is a perspective view of a three-dimensional printer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is an enlarged view of the portion indicated by line 6-6 in FIG. 1;

FIG. 7 is an enlarged view of the portion indicated by line 7-7 in FIG. 1;

FIG. 8 is a perspective view thereof showing the state in which the drawer and the bottom doors are open;

FIG. 9 is a top plan view thereof showing the state in which the drawer and the bottom doors are open;

FIG. 10 is an enlarged view of the portion indicated by line 10-10 in FIG. 8;

FIG. 11 is an enlarged view of the portion indicated by line 11-11 in FIG. 8;

FIG. 12 is an enlarged view of the portion indicated by line 12-12 in FIG. 8;

FIG. 13 is an enlarged view of the portion indicated by line 13-13 in FIG. 8; and,

FIG. 14 is a partially enlarged cross-sectional view taken along line 14-14 in FIG. 2.

The broken lines illustrate portions of the three-dimensional printer and form no part of the claimed design. The dash-dotted lines denote the boundary of the claim and form no part of the claimed design. 

CLAIM The ornamental design for a three-dimensional printer, as shown and described. 